Educational: Sciences, general science

Do you know what happens to water when it evaporates?

Strap on your shoes and join Mr.

Have you ever watched the sun rise or set?

Team up with Ackerley the Acanthostega to travel back 66 million years to the Tertiary and Quaternary periods of prehistoric Earth, when mammals came to dominate the planet.

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet.

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago.

Join Ackerley the Acanthostega and travel back in time 4,500 million years to the Precambrian period, when our planet first formed.

Do you want to experience what it's like to chart new territory and survive the unexpected?

Are you fascinated by wide open spaces and like NOT knowing where a path might lead?

Do you want to be your own naturalist and watch animals out there where they belong?

What happens when you find yourself stranded in the big outdoors, without a phone or computer in sight?

Scientists have identified at least 100 million pieces of space debris-from paint chips to nonoperational zombie satellites-floating in Earth's orbit.

What do giant squids, mantis shrimp, and fireflies have in common?

What is the longest bone in your body?

Where is the Solar System's biggest mountain?

Have you ever watched the sun rise or set?

Do you know what happens to water when it evaporates?

Could window panes be made out of wood?

Strap on your shoes and join Mr.

Flowering plants, cone-bearing plants, ferns, and mosses make up the four main plant groups.

Carbon is everywhere.

Which works better to haul a pumpkin-a lever or wheels and axles?

Which makes it easier to lift a large toy-a wedge or wheels and axles?

Is it easier to move ice with a lever or a screw?

Is it easier to lift a bag full of toys with an inclined plane or a pulley?

These kids are playing a game, trying to move a person with a simple machine.

Is it easier to move heavy box with an inclined plane or wheels and axles?

Discover the inspiring true story of Isatou Ceesay, an African woman who started a recycling movement to combat the pollution caused by plastic bags in her community.

The octopus spies a nice, tasty mantis shrimp.

Do you want to be your own naturalist and watch animals out there where they belong?

What happens when you find yourself stranded in the big outdoors, without a phone or computer in sight?

Do you want to experience what it's like to chart new territory and survive the unexpected?

Are you fascinated by wide open spaces and like NOT knowing where a path might lead?

Team up with Ackerley the Acanthostega to travel back 66 million years to the Tertiary and Quaternary periods of prehistoric Earth, when mammals came to dominate the planet.

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago.

Join Ackerley the Acanthostega and travel back in time 4,500 million years to the Precambrian period, when our planet first formed.

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet.

What animal was here?

As the planet's human population explodes, so does the demand for water.

Discover the inspiring true story of Isatou Ceesay, an African woman who started a recycling movement to combat the pollution caused by plastic bags in her community.

Have you ever solved a tricky puzzle?

Have you ever built a cool science project?

Do you enjoy snapping photos or taking movies of your adventures?

Have you ever wondered how the universe began?

How did our knowledge of matter, gravity, and electricity develop over time?

How did our knowledge of cells, heredity, evolution, ecosystems, and photosynthesis develop?

Sunlight, air, water, and minerals help keep plants alive.

A plant can form fruit and seeds when it is pollinated.

Sunlight helps a plant make its own food using photosynthesis.

Plants have roots, stems, leaves, and sometimes flowers.